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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

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3.8

49 km ESE of Halibut Cove, Alaska

17 October 2026, 22:14:06 (+03) 2026-10-17 19:14:06 UTC

2 sources: EMSC, USGS ml
Did you feel this earthquake?
Magnitude
3.8 ml
Depth
26.9 km
Coordinates
59.4990, -150.3680
Data consistency
90/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
4
Last 30 days
10

Approximate energy released

≈ 7.6 t TNT

3.16e+10 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

Did you feel this earthquake?

Your report adds to a community map of where and how this earthquake was felt. It takes less than a minute.

Community reports

Based on voluntary reports from users; not an instrumental measurement or official intensity. For official information follow AFAD and Kandilli Observatory announcements.

Impact information reported by sources

  • USGS Earthquake Hazards Program Tsunami flag: No Maximum intensity (MMI): 3,3 Felt reports: 1 ShakeMap

These values are automatic products of the respective agency, not an assessment by this platform. For tsunami warnings follow the Kandilli Observatory Regional Earthquake-Tsunami Monitoring Center and AFAD.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

11 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 4
  • M3 6
  • M4 1
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 2
  • 40–70 km 7
  • 70–150 km 2
  • 150+ km 0

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
KENAI PENINSULA, ALASKA
 3.8 ml 26.9 km 19:14:06.998 Δt 0 sn · 0 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
49 km ESE of Halibut Cove, Alaska
 3.8 ml 26.9 km 19:14:06.997 Δt 0 sn · 0 km · ΔM 0 Original record

This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government)

Revision history

  1. 18.10.2026 00:18:36 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  2. 18.10.2026 00:15:29 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  3. 18.10.2026 00:14:27 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  4. 18.10.2026 00:10:18 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  5. 18.10.2026 00:01:47 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  6. 17.10.2026 23:58:44 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  7. 17.10.2026 23:57:40 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  8. 17.10.2026 23:53:28 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  9. 17.10.2026 23:45:55 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  10. 17.10.2026 23:40:44 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  11. 17.10.2026 23:38:40 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  12. 17.10.2026 23:37:38 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  13. 17.10.2026 23:36:35 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  14. 17.10.2026 23:34:31 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  15. 17.10.2026 23:31:20 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  16. 17.10.2026 23:30:18 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  17. 17.10.2026 23:27:04 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  18. 17.10.2026 23:26:03 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  19. 17.10.2026 23:21:55 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  20. 17.10.2026 23:18:49 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  21. 17.10.2026 23:16:45 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  22. 17.10.2026 23:12:37 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  23. 17.10.2026 23:10:32 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  24. 17.10.2026 23:08:27 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  25. 17.10.2026 23:00:06 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  26. 17.10.2026 22:58:00 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  27. 17.10.2026 22:55:53 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  28. 17.10.2026 22:52:49 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  29. 17.10.2026 22:46:31 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  30. 17.10.2026 22:45:29 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  31. 17.10.2026 22:44:25 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  32. 17.10.2026 22:40:20 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  33. 17.10.2026 22:38:10 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  34. 17.10.2026 22:37:04 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  35. 17.10.2026 22:33:58 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  36. 17.10.2026 22:32:53 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  37. 17.10.2026 22:30:50 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  38. 17.10.2026 22:29:48 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  39. 17.10.2026 22:28:47 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  40. 17.10.2026 22:27:42 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  41. 17.10.2026 22:26:39 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  42. 17.10.2026 22:25:39 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  43. 17.10.2026 22:24:37 · EMSC · update

    time: 2026-10-17T19:14:06.998+00:00 → 2026-10-17T19:14:06.997+00:00

  44. 17.10.2026 22:21:27 · USGS · update

    depth: 26.8 → 26.9 latitude: 59.498 → 59.499 time: 2026-10-17T19:14:06.982+00:00 → 2026-10-17T19:14:06.997+00:00 review status: automatic → reviewed

  45. 17.10.2026 22:21:27 · SISTEM · recompute

    time: 2026-10-17T19:14:06.998Z → 2026-10-17 19:14:06.997+00:00 review status: automatic → reviewed preferred source: 3 → 4

  46. 17.10.2026 22:21:26 · EMSC · update

    depth: 26.8 → 26.9 latitude: 59.498 → 59.499 time: 2026-10-17T19:14:06.983+00:00 → 2026-10-17T19:14:06.997+00:00

  47. 17.10.2026 22:21:26 · SISTEM · recompute

    depth: 26.8 → 26.9 latitude: 59.498 → 59.499 time: 2026-10-17T19:14:06.983Z → 2026-10-17 19:14:06.998+00:00

  48. 17.10.2026 22:18:17 · EMSC · update

    depth: 27.6 → 26.8 latitude: 59.502 → 59.498 longitude: -150.399 → -150.368 time: 2026-10-17T19:14:06.873+00:00 → 2026-10-17T19:14:06.982+00:00

  49. 17.10.2026 22:18:17 · SISTEM · recompute

    depth: 27.6 → 26.8 latitude: 59.502 → 59.498 longitude: -150.399 → -150.368 time: 2026-10-17T19:14:06.873Z → 2026-10-17 19:14:06.983+00:00

  50. 17.10.2026 22:17:14 · USGS · update

    depth: 25.7 → 26.8 latitude: 59.488 → 59.498 longitude: -150.387 → -150.368 magnitude: 4 → 3.8 time: 2026-10-17T19:14:06.719+00:00 → 2026-10-17T19:14:06.982+00:00 location: 48 km ESE of Halibut Cove, Alaska → 49 km ESE of Halibut Cove, Alaska

  51. 17.10.2026 22:17:13 · EMSC · update

    depth: 25.7 → 27.6 latitude: 59.488 → 59.502 longitude: -150.387 → -150.399 magnitude: 4 → 3.8 time: 2026-10-17T19:14:06.720+00:00 → 2026-10-17T19:14:06.872+00:00

  52. 17.10.2026 22:17:13 · SISTEM · recompute

    depth: 25.7 → 27.6 latitude: 59.488 → 59.502 longitude: -150.387 → -150.399 magnitude: 4 → 3.8 time: 2026-10-17T19:14:06.720Z → 2026-10-17 19:14:06.873+00:00

  53. 17.10.2026 22:16:11 · SISTEM · recompute

    source count: 1 → 2 confirming sources: emsc → emsc,usgs

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